Projection lamp



FIG. 1 is a front perspective view of a first embodiment of a projection lamp showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view of a second embodiment of the projection lamp.

The broken lines in the drawings depict portions of the projection lamp that form no part of the claimed design. 

CLAIM The ornamental design for a projection lamp, as shown and described. 